CN103969894A - Color filter substrate and display panel - Google Patents
Color filter substrate and display panel Download PDFInfo
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- CN103969894A CN103969894A CN201410220056.8A CN201410220056A CN103969894A CN 103969894 A CN103969894 A CN 103969894A CN 201410220056 A CN201410220056 A CN 201410220056A CN 103969894 A CN103969894 A CN 103969894A
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- 239000000758 substrate Substances 0.000 title claims abstract description 144
- 238000000576 coating method Methods 0.000 claims abstract description 198
- 239000011248 coating agent Substances 0.000 claims abstract description 164
- 238000001914 filtration Methods 0.000 claims description 69
- 230000003287 optical effect Effects 0.000 claims description 69
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000010408 film Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- RQIPKMUHKBASFK-UHFFFAOYSA-N [O-2].[Zn+2].[Ge+2].[In+3] Chemical compound [O-2].[Zn+2].[Ge+2].[In+3] RQIPKMUHKBASFK-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- -1 aluminium tin-oxide Chemical compound 0.000 description 1
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Filters (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Geometry (AREA)
- Spectroscopy & Molecular Physics (AREA)
Abstract
The invention discloses a color filter substrate and a display panel. The color filter substrate is provided with a plurality of first sub-pixel areas and a plurality of second sub-pixel areas. The color filter substrate includes a first substrate, a plurality of first filter films, a plurality of second filter films, and a plurality of protrusions. The first filter films are arranged on the first substrate and are respectively positioned in the first sub-pixel areas. The plurality of second filter coatings are arranged on the first substrate and are respectively positioned in the plurality of second sub-pixel areas, wherein the color of the first filter coating is different from that of the second filter coating. The plurality of protrusions are disposed on the first substrate and adjacent to two adjacent first sub-pixel regions. The color filter substrate and the display panel disclosed by the invention can improve the problems of light leakage and poor contrast.
Description
Technical field
The present invention relates to a kind of substrate and display device, and be particularly related to a kind of colored optical filtering substrates and display panel.
Background technology
High image quality, space utilization efficiency are good owing to having for display panels, low consumpting power, the advantageous characteristic such as radiationless, therefore become gradually the main flow in market.At for example copline switch type (in-planeswitching, IPS) or in the manufacture process of stable twisted nematic (twisted nematic) display panels, need on two substrates, form both alignment layers, liquid crystal molecule is provided to anchorage force (anchoring force), make liquid crystal molecule be specific orientation.
The method of known formation both alignment layers is prior to being coated with alignment materials on substrate, then alignment materials is carried out to orientation.Known alignment technique comprises contact alignment technique and contactless alignment technique, and wherein, contact alignment technique is for example brushed (rubbing) technology of rubbing can provide good anchoring effect to liquid crystal molecule.Yet as shown in Figure 5, known both alignment layers 150 can have the smooth problem of air spots because of the existence of protrusion PS.When adopting the brush technology of rubbing to form alignment pattern in both alignment layers 150, protrusion easily forms light leak district around and causes the overall contrast (contrast ratio) of display panel to decline.Therefore, how to develop the display panel with higher contrast, real is one of target that developer wanted to reach.
Summary of the invention
The invention provides a kind of colored optical filtering substrates, can improve the phenomenon of light leak.
The invention provides a kind of display panel, can improve the not good problem of contrast.
Colored optical filtering substrates of the present invention has a plurality of the first sub-pixel area and a plurality of the second sub-pixel area.Colored optical filtering substrates comprises first substrate, a plurality of the first filter coating, a plurality of the second filter coating and a plurality of protrusion.A plurality of the first filter coatings are disposed on first substrate and lay respectively in above-mentioned a plurality of the first sub-pixel area.A plurality of the second filter coatings are disposed on first substrate and lay respectively in above-mentioned a plurality of the second sub-pixel area, and wherein the color of the first filter coating is different from the color of the second filter coating.A plurality of protrusions are disposed on first substrate and are adjacent to two adjacent in above-mentioned a plurality of the first sub-pixel area.
Display panel of the present invention has a plurality of the first sub-pixel area and a plurality of the second sub-pixel area.Display panel comprises first substrate, second substrate, a plurality of the first filter coating, a plurality of the second filter coating and a plurality of protrusion.A plurality of the first filter coatings are disposed on first substrate and lay respectively in above-mentioned a plurality of the first sub-pixel area.A plurality of the second filter coatings are disposed on first substrate and lay respectively in above-mentioned a plurality of the second sub-pixel area, and wherein the color of the first filter coating is different from the color of the second filter coating.A plurality of protrusions are disposed between first substrate and second substrate, and are adjacent to two adjacent in above-mentioned a plurality of the first sub-pixel area.
Another kind of display panel of the present invention has a plurality of the first sub-pixel area and a plurality of the second sub-pixel area.Display panel comprises first substrate, second substrate, a plurality of the first filter coating, a plurality of the second filter coating and a plurality of protrusion.A plurality of the first filter coatings are disposed on first substrate and lay respectively in the first sub-pixel area.A plurality of the second filter coatings are disposed on first substrate and lay respectively in the second sub-pixel area, and wherein the color of the first filter coating is different from the color of the second filter coating.A plurality of protrusions are disposed between first substrate and second substrate, and are only disposed at respectively within the scope of the layout of the first filter coating.
Based on above-mentioned, the protrusion of colored optical filtering substrates of the present invention is adjacent to two the first adjacent sub-pixel area, so can effectively promote the contrast of display panel.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is according to the diagrammatic cross-section of the display panel of one embodiment of the invention.
Fig. 2 looks schematic diagram on the part of display panel of Fig. 1.
Fig. 3 is the enlarged diagram of region K of the display panel of Fig. 2.
Fig. 4 is the vertical view of known colored optical filtering substrates.
Fig. 5 is the diagrammatic cross-section of the known colored optical filtering substrates A-A ' along the line of Fig. 4.
Fig. 6 is according to the vertical view of the colored optical filtering substrates of the first embodiment of the present invention.
Fig. 7 is the diagrammatic cross-section of the colored optical filtering substrates I-I ' along the line of Fig. 6.
Fig. 8 is the vertical view of colored optical filtering substrates according to a second embodiment of the present invention.
Fig. 9 is the vertical view of the colored optical filtering substrates of a third embodiment in accordance with the invention.
Figure 10 is the vertical view of the colored optical filtering substrates of a fourth embodiment in accordance with the invention.
Figure 11 is the vertical view of colored optical filtering substrates according to a fifth embodiment of the invention.
Wherein, description of reference numerals is as follows:
20: sub-pixel area
30: the first sub-pixel area
32: the second sub-pixel area
34: the three sub-pixel area
100: display panel
102: viewing area
110: second substrate
112: contact hole
120: display medium
130: first substrate
140: dot structure
150: both alignment layers
200,300,400,500,600,700: colored optical filtering substrates
A-A ', I-I ': line
B: the first filter coating
BM: black matrix
CH: channel layer
D: drain electrode
DL: data line
G: the 3rd filter coating
GT: grid
O: opening
PE: pixel electrode
PS: protrusion
PSR: light leak district
R: the second filter coating
S: source electrode
SL: sweep trace
T: active member
K: region
Embodiment
Fig. 1 is according to the diagrammatic cross-section of the display panel of one embodiment of the invention.Fig. 2 is the local schematic top plan view of the display panel of Fig. 1.As shown in Figures 1 and 2, display panel 100 comprises second substrate (take active component array base board as example at this) 110, display medium 120 and first substrate 130.Display medium 120 is for example between first substrate 130 and second substrate 110.The present embodiment does not limit the kenel of display panel 100, and along with the difference of display medium 120, display panel 100 can have different mechanism of action.For example, when display medium 120 is liquid crystal material, display panel 100 is display panels.The display panel 100 of the present embodiment is below all described with display panels as an example.
The material of second substrate 110 can be glass, quartz or organic polymer etc.As shown in Figure 2, display panel 100 comprises viewing area 102.Display panel 100 102 shows images in viewing area, thus in display panel 100 for example, in order to show that the element (being dot structure 140 and display medium 120) of image can be disposed in viewing area 102.As shown in Figure 2, dot structure 140 forms pel array (pixel array) in viewing area 102.In order to clearly demonstrate, Fig. 2 only shows the partial component of dot structure 140, about detailed structure and the member thereof of dot structure 140, will with reference to accompanying drawing, describe in more detail below.
Fig. 3 is the enlarged diagram of region K of the display panel 100 of Fig. 2.Please refer to Fig. 3, dot structure 140 comprises sweep trace SL, data line DL, active member T and pixel electrode PE.
Sweep trace SL is not identical with the bearing of trend of data line DL, and commonly the bearing of trend of sweep trace SL is vertical with the bearing of trend of data line DL.In addition, sweep trace SL is to be positioned at not identical rete with data line DL, and accompanies insulation course (not illustrating) between the two.Sweep trace SL and data line DL are mainly used to transmit the driving signal that drives this dot structure 140.Sweep trace SL and data line DL are used metal material.Yet, the invention is not restricted to this.According to other embodiment, sweep trace SL and data line DL also can be used other conductive materials, and it is for example the stack layer that comprises alloy, metal oxide, metal nitride, metal oxynitride or metal material and other conductive material.
Active member T is electrically connected with sweep trace SL and data line DL accordingly.At this, active member T is for example thin film transistor (TFT), and it comprises grid G T, channel layer CH, drain D and source S.Grid G T and sweep trace SL are electrically connected, and source S and data line DL are electrically connected.In other words, when having control signal input scan line SL, between sweep trace SL and grid G T, can electrically conduct; When having control signal input data line DL, data line DL can electrically conduct with source S.Channel layer CH is positioned at the top of grid G T and is positioned at source S and the below of drain D.The active member T of the present embodiment take bottom grid film transistor to illustrate as example, but the invention is not restricted to this.In other embodiments, active member T can be also top grid type thin film transistor (TFT).
Referring to Fig. 1 and Fig. 3, first substrate 130 is positioned at the subtend of second substrate 110.On first substrate 130, dispose a plurality of color filter films, for example red, green, blue filter coating.Or, also a plurality of color filter films can be made on second substrate 110 and not be made on first substrate 130.Generally speaking, at color filter film, be made in the example on second substrate 110, when color filter film is positioned at active member T upper, second substrate 110 is COA (color filter on array) substrate; And being positioned at lower time of active member T when color filter film, second substrate 110 is AOC (array on color filter) substrate.The material of first substrate 130 can be glass, quartz or organic polymer etc.In addition, on first substrate 130, also may be configured with black matrix (black matrix, BM).Black matrix has a plurality of openings, and color filter film is disposed in these openings.
As shown in Figure 3, pixel electrode PE is electrically connected with active member T accordingly.In more detail, pixel electrode PE can be electrically connected by contact hole 112 and the drain D of active member T.Pixel electrode PE is for example transparency conducting layer, it comprises metal oxide, for example, be indium tin oxide, indium-zinc oxide, aluminium tin-oxide, aluminium zinc oxide, indium germanium zinc oxide or other suitable oxide or above-mentioned at least two s' stack layer.
Fig. 4 is the vertical view of known colored optical filtering substrates 200, and Fig. 5 is that known colored optical filtering substrates 200 is along the diagrammatic cross-section of the line A-A ' of Fig. 4, referring to Fig. 4 and Fig. 5.The black matrix B M that disposes a plurality of color filter film R, G, B on first substrate 130 and there is shaded effect.Generally speaking, as shown in Figure 4, a plurality of sub-pixel area 20 of known display panel are sequentially to arrange in the mode of red filter coating R, green filter film G, blue filter coating B.In addition, a plurality of protrusion PS are disposed on first substrate 130, and lay respectively in each sub-pixel area 20.In addition, on color filter film R, G, B and protrusion PS, also dispose both alignment layers 150.Existence due to a plurality of protrusion PS, make to be positioned at protrusion PS both alignment layers 150 around relative projection in the direction of rubbing perpendicular to brush, make display medium 120 be easy to that surrounding's generation at protrusion PS is undesired to be toppled over, and then form light leak district PSR, and cause the overall contrast of display panel to decline.
Fig. 6 is according to the vertical view of the colored optical filtering substrates 300 of the first embodiment of the present invention.Fig. 7 is the diagrammatic cross-section of the colored optical filtering substrates I-I ' along the line of Fig. 6.Referring to Fig. 6 and Fig. 7, colored optical filtering substrates 300 has a plurality of the first sub-pixel area 30, a plurality of the second sub-pixel area 32 and a plurality of the 3rd sub-pixel area 34.On first substrate 130, comprise a plurality of the first filter coating B, the second filter coating R and the 3rd filter coating G.The first filter coating B is positioned at the first sub-pixel area 30, the second filter coating R and is positioned at the second sub-pixel area 32, and the 3rd filter coating G is positioned at the 3rd sub-pixel area 34.It should be noted that the color of the first filter coating B is not identical with the color of the second filter coating R, and the color of the first filter coating B is not identical with the color of the 3rd filter coating G.For example, in the present embodiment, the first filter coating B is blue filter coating, and the second filter coating R is red filter coating, and the 3rd filter coating G is green filter film.So the present embodiment is not limited to this, and colored optical filtering substrates 300 can only comprise a plurality of the first sub-pixel area 30 and a plurality of the second sub-pixel area 32.The first filter coating B is positioned at the first sub-pixel area 30 and the second filter coating R is positioned at the second sub-pixel area 32.In the case, the color of the first filter coating B is not identical with the color of the second filter coating R, and for example, the first filter coating B can be blue filter coating, and the second filter coating R can be red filter coating.
As shown in Figure 6, the color filter film on colored optical filtering substrates 300 is the order repeated arrangement with the second filter coating R, the 3rd filter coating G, the first filter coating B, the first filter coating B, the second filter coating R, the 3rd filter coating G.It is worth mentioning that, each protrusion PS is all only disposed in two adjacent the first sub-pixel area 30, and is not adjacent to other sub-pixel area.By this design, in Fig. 4, protrusion PS is disposed to the known colored optical filtering substrates 200 in each sub-pixel area 20, the present embodiment can reduce the length of side summation around the protrusion PS on colored optical filtering substrates 300, and then can reduce the area of light leak district PSR as shown in Figure 5, the overall contrast of display panel is increased.It is worth mentioning that, the present embodiment is not limited to this, in protrusion PS being disposed to two adjacent the first sub-pixel area 30, each protrusion PS in the present embodiment more can not be disposed in the first sub-pixel area 30 and the second sub-pixel area 32 adjacent one another are, for example, protrusion PS can not be adjacent to the first filter coating B in the first sub-pixel area 30 adjacent one another are and the second filter coating R in the second sub-pixel area 32.Thus, can further reduce the total quantity of protrusion PS, thereby reduce the area ratio of light leak district PSR, the overall contrast of display panel is increased.
Generally speaking, the dark state light leak ratio of ruddiness, green glow, blue light is respectively 17%, 77% and 6%.It is worth mentioning that, in the present embodiment, in the situation that the first filter coating B is blue filter coating, by protrusion PS being disposed in two adjacent the first filter coating B, can slightly increase or maintain the light leak ratio of blue light, and significantly reduce the light leak ratio of ruddiness and green glow, and then can more effectively promote the contrast (approximately 8%) of display panel simultaneously.
As shown in Figure 7, on the first substrate 130 of colored optical filtering substrates 300, can also configure one deck both alignment layers 150.Both alignment layers 150 covers the first filter coating B, the second filter coating R, the 3rd filter coating G and protrusion PS.On the first substrate 130 of colored optical filtering substrates 300, also can also configure the black matrix B M with shaded effect.Black matrix B M has a plurality of opening O, and the first filter coating B, the second filter coating R and the 3rd filter coating G lay respectively in these openings O.The technique of color filter film is for example by ink jet printing processing procedure, and red, green, blue pigment are sprayed in a plurality of opening O of black matrix B M.
It is worth mentioning that, in the present embodiment, protrusion PS is of a size of 12 μ m * 12 μ m.So the present embodiment is not limited to this, also can reduce the size of protrusion PS to 8.5um * 8.5um, in the case, can further promote the contrast (approximately 13%) of display panel.
Fig. 8 is the vertical view of colored optical filtering substrates according to a second embodiment of the present invention.Please refer to Fig. 8, the colored optical filtering substrates 400 of the present embodiment is similar to the colored optical filtering substrates 300 of Fig. 7, and therefore same or analogous element represents with same or analogous component symbol, and no longer repeat specification.Colored optical filtering substrates 400 is with the difference of colored optical filtering substrates 300, and the color filter film of colored optical filtering substrates 400 is the order repeated arrangement with the second filter coating R (red filter coating), the 3rd filter coating G (green filter film), the first filter coating B (blue filter coating), the first filter coating B (blue filter coating), the 3rd filter coating G (green filter film), the second filter coating R (red filter coating).Similarly, the present embodiment is only disposed at protrusion PS within the scope of the layout of the first filter coating B.In other words, protrusion PS's is partly or entirely overlapping or completely overlapping with the first filter coating B, and protrusion PS is not overlapping with the second filter coating R and the 3rd filter coating G.Or the overlapping region of protrusion PS and the first filter coating B can be greater than the overlapping region of protrusion PS and the second filter coating R or the 3rd filter coating G.Under this arranges, can make the light leak ratio of blue light slightly increase or constant, and make the light leak ratio of ruddiness and green glow significantly reduce simultaneously.Therefore, can effectively promote the contrast (approximately 8%) of display panel.In addition, referring to Fig. 4 and Fig. 8, compared to colored optical filtering substrates 200, the blue filter coating B of colored optical filtering substrates 400 is adjacent one another are, and protrusion PS is disposed within the scope of the layout of two adjacent the first filter coating B, therefore can reduce the total quantity of protrusion PS, and then can reduce the whole light leak ratio of display panel.In the present embodiment, protrusion PS is of a size of 12 μ m * 12 μ m.So the present embodiment is not limited to this, also can reduce the size of protrusion PS to 8.5um * 8.5um, in the case, can further promote the contrast (approximately 13%) of display panel.
Fig. 9 is the vertical view of the colored optical filtering substrates of a third embodiment in accordance with the invention.Please refer to Fig. 9, the colored optical filtering substrates 500 of the present embodiment is similar to the colored optical filtering substrates 300 of Fig. 7, and therefore same or analogous element represents with same or analogous component symbol, and no longer repeat specification.Colored optical filtering substrates 500 is with the difference of colored optical filtering substrates 300, and the color filter film of colored optical filtering substrates 500 is the order repeated arrangement with the 3rd filter coating G (green filter film), the second filter coating R (red filter coating), the first filter coating B (blue filter coating), the first filter coating B (blue filter coating), the 3rd filter coating G (green filter film), the second filter coating R (red filter coating).Similarly, by only protrusion PS being disposed within the scope of the layout of the first filter coating B, can making the light leak ratio of blue light slightly increase or constant, and make the light leak ratio of ruddiness and green glow significantly reduce simultaneously, therefore, can effectively promote the contrast (approximately 8%) of display panel.In addition, referring to Fig. 4 and Fig. 9, compared to colored optical filtering substrates 200, the first filter coating B (blue filter coating) of colored optical filtering substrates 500 is adjacent one another are, and protrusion PS is disposed within the scope of the layout of adjacent two the first filter coating B (blue filter coating), therefore can reduce the total quantity of protrusion PS, and then can reduce the whole light leak ratio of display panel.In the present embodiment, protrusion PS is of a size of 12 μ m * 12 μ m.So the present embodiment is not limited to this, also can reduce the size of protrusion PS to 8.5um * 8.5um, in the case, can further promote the contrast (approximately 13%) of display panel.
Figure 10 is the vertical view of the colored optical filtering substrates of a fourth embodiment in accordance with the invention.Please refer to Figure 10, the colored optical filtering substrates 600 of the present embodiment is similar to the colored optical filtering substrates 300 of Fig. 7, and therefore same or analogous element represents with same or analogous component symbol, and no longer repeat specification.Colored optical filtering substrates 600 is with the difference of colored optical filtering substrates 300, and the filter coating of colored optical filtering substrates 600 is the order repeated arrangement with the second filter coating R (red filter coating), the 3rd filter coating G (green filter film), the first filter coating B (blue filter coating), the first filter coating B (blue filter coating), the second filter coating R (red filter coating), the 3rd filter coating G (green filter film), the 3rd filter coating G (green filter film), the first filter coating B (blue filter coating), the second filter coating R (red filter coating).Similarly, by only protrusion PS being disposed within the scope of the layout of the first filter coating B (blue filter coating), can make the light leak ratio of blue light slightly increase or constant, and make the light leak ratio of ruddiness and green glow significantly reduce simultaneously, therefore, can effectively promote the contrast (approximately 8%) of display panel.In addition, referring to Fig. 4 and Figure 10, compared to colored optical filtering substrates 200, the first filter coating B (blue filter coating) of colored optical filtering substrates 600 is adjacent one another are, and protrusion PS is disposed within the scope of the layout of adjacent two the first filter coating B (blue filter coating), therefore can reduce the total quantity of protrusion PS, and then can reduce the whole light leak ratio of display panel.In the present embodiment, protrusion PS is of a size of 12 μ m * 12 μ m.So the present embodiment is not limited to this, also can reduce the size of protrusion PS to 8.5um * 8.5um, in the case, can further promote the contrast (approximately 13%) of display panel.
Figure 11 is the vertical view of colored optical filtering substrates according to a fifth embodiment of the invention.Please refer to the colored optical filtering substrates 700 of Figure 11 the present embodiment and the colored optical filtering substrates 300 of Fig. 7 is similar, therefore same or analogous element represents with same or analogous component symbol, and no longer repeat specification.It is worth mentioning that, the color filter film of the embodiment of Fig. 6 to Figure 10 is all square, and the color filter film of the colored optical filtering substrates 700 of the present embodiment is " > " font, and so the present embodiment is not limited to this.Similarly, the color filter film of colored optical filtering substrates 700 is the order repeated arrangement with the second filter coating R (red filter coating), the 3rd filter coating G (green filter film), the first filter coating B (blue filter coating), the first filter coating B (blue filter coating), the second filter coating R (red filter coating), the 3rd filter coating G (green filter film).Similarly, by only protrusion PS being disposed within the scope of the layout of the first filter coating B (blue filter coating), can make the light leak ratio of blue light slightly increase or constant, and make the light leak ratio of ruddiness and green glow significantly reduce simultaneously, therefore, can effectively promote the contrast (approximately 8%) of display panel.In addition, referring to Fig. 4 and Figure 11, compared to colored optical filtering substrates 200, the first filter coating B (blue filter coating) of colored optical filtering substrates 700 is adjacent one another are, and protrusion PS is disposed within the scope of the layout of adjacent two the first filter coating B (blue filter coating), therefore can reduce the total quantity of protrusion PS, and then can reduce the whole light leak ratio of display panel.In the present embodiment, protrusion PS is of a size of 12 μ m * 12 μ m.So the present embodiment is not limited to this, also can reduce the size of protrusion PS to 8.5um * 8.5um, in the case, can further promote the contrast (approximately 13%) of display panel.
In sum, colored optical filtering substrates of the present invention comprises a plurality of protrusions, and protrusion is adjacent to two adjacent blue subpixels districts, so can effectively promote the contrast of display panel.In addition, by above-mentioned configuration mode, the total quantity of protrusion can be reduced, and then the whole light leak ratio of display panel can be reduced.
Although the present invention with embodiment openly as above; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion of defining depending on accompanying claim.
Claims (15)
1. a colored optical filtering substrates, has a plurality of the first sub-pixel area and a plurality of the second sub-pixel area, and this colored optical filtering substrates comprises:
One first substrate;
A plurality of the first filter coatings, are disposed on this first substrate and lay respectively in described a plurality of the first sub-pixel area;
A plurality of the second filter coatings, are disposed on this first substrate and lay respectively in described a plurality of the second sub-pixel area, and the color of wherein said a plurality of the first filter coatings is different from the color of described a plurality of the second filter coatings; And
A plurality of protrusions, are disposed on this first substrate and are adjacent to two adjacent in described a plurality of the first sub-pixel area.
2. colored optical filtering substrates as claimed in claim 1, each in wherein said a plurality of protrusions is not adjacent to this first sub-pixel area adjacent one another are and this second sub-pixel area.
3. colored optical filtering substrates as claimed in claim 1, also comprises a both alignment layers, is disposed on this first substrate and covers described a plurality of the first filter coating, described a plurality of the second filter coatings and described a plurality of protrusion.
4. colored optical filtering substrates as claimed in claim 1, also comprise a plurality of the 3rd sub-pixel area, this colored optical filtering substrates also comprises a plurality of the 3rd filter coatings, be disposed on this first substrate and lay respectively in described a plurality of the 3rd sub-pixel area, the color of wherein said a plurality of the first filter coatings is different from the color of described a plurality of the 3rd filter coatings, and wherein said a plurality of the first filter coatings are blue filter coating.
5. colored optical filtering substrates as claimed in claim 4, wherein said a plurality of the second filter coating is red filter coating, described a plurality of the 3rd filter coating is green filter film, and described a plurality of the first filter coatings that form a line, described a plurality of the second filter coatings and described a plurality of the 3rd filter coating are with the order repeated arrangement of red filter coating, green filter film, blue filter coating, blue filter coating, red filter coating, green filter film.
6. colored optical filtering substrates as claimed in claim 4, wherein said a plurality of the second filter coating is red filter coating, described a plurality of the 3rd filter coating is green filter film, and described a plurality of the first filter coatings that form a line, described a plurality of the second filter coatings and described a plurality of the 3rd filter coating are with the order repeated arrangement of red filter coating, green filter film, blue filter coating, blue filter coating, green filter film, red filter coating.
7. colored optical filtering substrates as claimed in claim 4, wherein said a plurality of the second filter coating is red filter coating, described a plurality of the 3rd filter coating is green filter film, and described a plurality of the first filter coatings that form a line, described a plurality of the second filter coatings and described a plurality of the 3rd filter coating are with the order repeated arrangement of red filter coating, green filter film, blue filter coating, blue filter coating, red filter coating, green filter film, green filter film, blue filter coating, red filter coating.
8. colored optical filtering substrates as claimed in claim 1, also comprise the multi-strip scanning line being disposed on this first substrate, many data lines, a plurality of pixel electrode and a plurality of active members, described a plurality of active member is electrically connected with described a plurality of sweep traces and described a plurality of data line accordingly, and described a plurality of pixel electrodes are electrically connected with described a plurality of active members accordingly.
9. colored optical filtering substrates as claimed in claim 1, also comprises a black matrix, is disposed on this first substrate and has a plurality of openings, and described a plurality of the first filter coatings and described a plurality of the second filter coating lay respectively in described a plurality of opening.
10. a display panel, has a plurality of the first sub-pixel area and a plurality of the second sub-pixel area, and this display panel comprises:
One first substrate;
One second substrate;
A plurality of the first filter coatings, are disposed on this first substrate and lay respectively in described a plurality of the first sub-pixel area;
A plurality of the second filter coatings, are disposed on this first substrate and lay respectively in described a plurality of the second sub-pixel area, and the color of wherein said a plurality of the first filter coatings is different from the color of described a plurality of the second filter coatings; And
A plurality of protrusions, are disposed between this first substrate and this second substrate, and are adjacent to two adjacent in described a plurality of the first sub-pixel area.
11. display panels as claimed in claim 10, also comprise that a display medium is between this first substrate and this second substrate.
12. display panels as claimed in claim 10, also comprise a both alignment layers, are disposed on this first substrate and cover described a plurality of protrusion.
13. 1 kinds of display panels, have a plurality of the first sub-pixel area and a plurality of the second sub-pixel area, and this display panel comprises:
One first substrate;
One second substrate;
A plurality of the first filter coatings, are disposed on this first substrate and lay respectively in described a plurality of the first sub-pixel area;
A plurality of the second filter coatings, are disposed on this first substrate and lay respectively in described a plurality of the second sub-pixel area, and the color of wherein said a plurality of the first filter coatings is different from the color of described a plurality of the second filter coatings; And
A plurality of protrusions, are disposed between this first substrate and this second substrate, and are only disposed at respectively within the scope of the layout of this first filter coating.
14. display panels as claimed in claim 13, the overlapping region of wherein said a plurality of protrusions and described a plurality of the first filter coatings is greater than the overlapping region of described a plurality of protrusion and described a plurality of the second filter coatings.
15. display panels as claimed in claim 13, wherein said a plurality of the first filter coatings are blue filter coating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103110327A TWI518411B (en) | 2014-03-19 | 2014-03-19 | Color filter subatrate and display panel |
| TW103110327 | 2014-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103969894A true CN103969894A (en) | 2014-08-06 |
| CN103969894B CN103969894B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410220056.8A Active CN103969894B (en) | 2014-03-19 | 2014-05-22 | Color filter substrate and display panel |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20150268511A1 (en) |
| CN (1) | CN103969894B (en) |
| TW (1) | TWI518411B (en) |
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| CN104536189A (en) * | 2014-12-26 | 2015-04-22 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
| CN111722429A (en) * | 2020-08-06 | 2020-09-29 | 业成光电(无锡)有限公司 | Touch control display device |
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| CN204374567U (en) * | 2015-01-08 | 2015-06-03 | 京东方科技集团股份有限公司 | A kind of dot structure, array base palte, display panel and display device |
| TWI623795B (en) * | 2017-03-17 | 2018-05-11 | 友達光電股份有限公司 | Light shielding pattern |
| CN110967864B (en) * | 2019-12-23 | 2022-07-12 | Tcl华星光电技术有限公司 | Color film substrate and liquid crystal display panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103969894B (en) | 2017-04-12 |
| US20150268511A1 (en) | 2015-09-24 |
| TWI518411B (en) | 2016-01-21 |
| TW201537263A (en) | 2015-10-01 |
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